body{
	padding: 20px;
}
div {
	margin:10px;
	padding:5px;
	font-size:12px;
	line-height:25px;
}
#father {
	border:1px #666 solid;
	padding:0px;
}
header{position:fixed;
	top:0px;
	width:100%;
	background-color: #e32f2f;
	}
	footer{position:fixed;
	bottom:0px;
	width:100%;
	background-color: #adec60;}
#first {
	opacity: 0.3 ;
	background-color:#f2bb6f;
	border:1px #B55A00 dashed;
	position: absolute;
	top:0px;
	left:0px;
}
#second {
	background-color:#003580;
	border:1px #0000A8 dashed;
}
#third {
	background-color:#f3f3f3;
	border:1px #395E4F dashed;
}
